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Convert Wasdat Code custom matrix to SN74x138 driver (#16257)

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Ryan 2022-03-08 10:02:28 +11:00 • committed by GitHub
parent e41d67b428
commit 07ca35decf
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4 changed files with 77 additions and 310 deletions
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43
keyboards/evyd13/wasdat/matrix.c
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@ -24,27 +24,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
/* col 0: C7
* col 1: B6
* col 2: C6
* col 3: B4
* col 4: B5
* col 5: D7
/* Columns 6-12 use a 74HC138 3-to-8 demultiplexer.
*
* These columns use a 74HC138 3 to 8 bit demultiplexer.
* A2 A1 A0
* col / pin: PD0 PD1 PD2
* 6: 1 1 1
* 7: 1 1 0
* 8: 1 0 1
* 9: 1 0 0
* 10: 0 1 1
* 11: 0 1 0
* 12: 0 0 1
* 0: C7
* 1: B6
* 2: C6
* 3: B4
* 4: B5
* 5: D7
*
* col 13: D3
* col 14: B7
* col 15: B3
* A2 A1 A0
* D0 D1 D2
* 6: 1 1 1
* 7: 1 1 0
* 8: 1 0 1
* 9: 1 0 0
* 10: 0 1 1
* 11: 0 1 0
* 12: 0 0 1
*
* 13: D3
* 14: B7
* 15: B3
*/
static void select_col(uint8_t col) {
if (col_pins[col] != NO_PIN) {
@ -117,10 +118,10 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
}
void matrix_init_custom(void) {
// initialize key pins
init_pins();
// initialize demultiplexer
sn74x138_init();
// initialize key pins
init_pins();
}
bool matrix_scan_custom(matrix_row_t current_matrix[]) {